File Extension XLSX
File type: Microsoft Excel Office Open XML Document
You can click here to run a free scan for XLSX related errors.
About the XLSX file type:
If Windows cannot find the appropriate program associated with .XLSX files, then your registry may have errors. Check your Windows registry for errors (includes file association errors).The .XLSX file extension identifies the new spreadsheet file format for Microsoft Office documents using the Office Open XML format (which is based on XML and uses compression for file size reduction).
Windows cannot open XLSX files?
When Windows cannot determine which application to use to open XLSX files this can be caused because:
1. You do not have the appropriate program installed.
2. You may have a registry related error.
1. You do not have the appropriate program installed.
2. You may have a registry related error.
SOLUTION:
We strongly recommend that you run a free registry scan for related errors.File extension: .XLSX
Additional Information:
To open .XLSX files you will need to install Microsoft Office 2007, although earlier versions of Microsoft Office will open .XLSX if they have the correct plugins installed. Other software does exist that will convert .XLSX files into a format readable by older versions of Excel.
Currently viewing file extension XLSX information.
